0.390" x 31-1/2" Strong-Drive SDCFC Timber-CF Screw - Yellow Zinc, Pkg 50 HGLT/HGLTV Heavy Duty I-Joist & SCL Hangers 1/4" hex washer head provides

1/4" hex washer head provides excellent driving stability

Deck & Pergola Framing: Provides strong

offering moderate corrosion resistance and enhanced longevity due to the protective gold zinc coating

5" asphalt thickness is common for walkways and parking lots

0.390" x 31-1/2" Strong-Drive SDCFC Timber-CF Screw - Yellow Zinc, Pkg 50 HGLT/HGLTV Heavy Duty I-Joist & SCL Hangers 1/4" hex washer head providesThe Simpson Strong Tie Strong Drive SDCFC Timber CFC Screw is built tough for wood projects like mass timber, cross laminated timber (CLT), or other heavy framing jobs. These extra long screws sink in smooth and stay strong. The compact cylinder head sits flush with the surface, giving your project a clean finish without bulky hardware sticking out. The fully threaded design grabs tight for maximum holding power, while the sharp tip starts fast and